Pump head



FIG. 1 is a left, top, front perspective view of a pump head according to our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a right end elevational view thereof; and,

FIG. 6 is a top plan view thereof.

The broken line representations in the figures are for the purpose of illustrating unclaimed environment. The broken lines are thus not part of the claim. 

The ornamental design for a pump head, as shown and described. 